De Boeck, A.; Reniers, G.; Cools, M.; Easton, M.; Van Den Herrewegen, E. (2014). Optimizing security policies and practices in the port of Antwerp: actors’ perceptions and recommendations. Int. J. of Safety and Security Eng. 4(1): 38-53. https://dx.doi.org/10.2495/SAFE-V4-N1-38-53, meer